I have a Peugeot 206 1.1 1999, i want scan diagnostic my car by obd2 i guess? i'm right?my car have a OBD2?

What cable or software i need? I have seen a lot of things but i don't now what buy.
This: http://www.obd2allinone.com/sc/toplevel.asp?cat=0 system works on my car?

I have seen home made obd2 projects, but i don't now if will works on my car, for now i want only scan diagnostic...

I buy last moth a lcd touchscreen lilliput 619 for my highschool project, and my next project is to put a carpc in my beast LOL.

Thanks for any help,